Bug 1443297 (CVE-2017-5456) - CVE-2017-5456 Mozilla: Sandbox escape allowing local file system read access (MFSA 2017-12)
Summary: CVE-2017-5456 Mozilla: Sandbox escape allowing local file system read access ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2017-5456
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1437814
TreeView+ depends on / blocked
 
Reported: 2017-04-19 05:33 UTC by Huzaifa S. Sidhpurwala
Modified: 2021-02-25 21:03 UTC (History)
4 users (show)

Fixed In Version:
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Environment:
Last Closed: 2017-05-12 06:03:41 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:1106 0 normal SHIPPED_LIVE Critical: firefox security update 2017-04-21 04:49:25 UTC

Description Huzaifa S. Sidhpurwala 2017-04-19 05:33:37 UTC 
A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read only access to the local file system.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5456


Acknowledgements:

Name: the Mozilla project
Upstream: Julian Hector
Comment 1 errata-xmlrpc 2017-04-21 00:49:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:1106 https://access.redhat.com/errata/RHSA-2017:1106
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